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Enables gmock's implicit_cast to work with source types that have a non-const conversion operator (by Zhanyong Wan).

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vladlosev
2009-11-18 00:12:05 +00:00
parent a070cbd91c
commit 201ac16191
2 changed files with 148 additions and 5 deletions
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14
include/gmock/internal/gmock-port.h
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@@ -99,9 +99,21 @@ namespace internal {
// but the proposal was submitted too late. It will probably make
// its way into the language in the future.
template<typename To, typename From>
inline To implicit_cast(From const &f) {
inline To implicit_cast(const From& f) {
return f;
}
// Nokia's compiler can't tell which version of implicit_cast to use when
// the source is a const, causing the compilation to fail with the error
// "ambiguous access to overloaded function". So we only support the const
// version of implicit_cast on Symbian.
#if !GTEST_OS_SYMBIAN
// This overload is needed in case the From type has a non-const type
// conversion operator to type To.
template<typename To, typename From>
inline To implicit_cast(From& f) {
return f;
}
#endif
// When you upcast (that is, cast a pointer from type Foo to type
// SuperclassOfFoo), it's fine to use implicit_cast<>, since upcasts